Hastings 3.875" Standard Bore, 4-Cylinder Ring Set with 5/64" Top Ring, 5/64" Second Ring and a First Oil Ring is 3/16".
This Hastings 4-Cylinder Ring Set has a top ring manufactured from steel with plasma moly ring surface treatment, a second ring manufactured from grey iron with phosphate ring surface treatment. The 1st oil control ring is manufactured of steel rail/stainless expansion with a chrome rail ring surface treatment.

Application Summary:

Year Make/Model
1983-1984 American Motors Eagle
1962-1968 Chevrolet Chevy II
1969-1970 Chevrolet Nova
1963-1965 Chevrolet P10 Series
1996-2000 Dodge Dakota
1988-1989 Eagle Premier
1963-1965 GMC G1000 Series
1963-1965 GMC PB1000 Series
1963-1965 GMC Suburban
1984-2000 Jeep Cherokee
1983-1986 Jeep CJ7
1986-1992 Jeep Comanche
1983-1985 Jeep Scrambler
1984-1987 Jeep Wagoneer
1987-1995 Jeep Wrangler
1997-2000 Jeep Wrangler
1962-1970 Pontiac Acadian
Attributes
1st Oil Groove 3/16
1st Oil Ring Material STEEL RAIL/STAINLESS EXP
2nd Groove 5/64
2nd Ring Surface Treatment PHOSPHATE
Alternate Part Number 2M665
California Proposition 65 No
Engborein 3.875
Hazardous Material Code N
Life Cycle Status Code Available to Order
NAFTA Preference Criterion Code B
SDR Required Flag N
Top Groove 5/64
Top Ring Surface Treatment PLASMA MOLY
GTIN 00075538032724